System Configuration - Panasonic KT7 Instruction Manual

3. System configuration

RS-485 multi-drop connection communication
Host computer
RS-485
Host computer
RS-232C
PLC
RS-485
4. Wiring
When using communication converter RS-232C
• Connector: D-sub 25-pin
Connection: RS-232C
Host computer
D-sub 25-pin connector
KT7
KT7
No.0 No.1
(Fig. 3-1)
Communication
converter
232C 485
(Fig. 3-2)
KT7
KT7
No.0 No.1
(Fig. 3-3)
RS-485 (Communication speed: 2400, 4800, 9600, 19200bps)
Shielded
wire
KT7
No.2
RS-485
KT7
KT7
No.0
No.1
KT7
No.2
Use a RJ-11 type modular plug when
connecting to the cable
4
3
1, 6
Communication cable
Connect Terminals 1 and 6 to COM.
Connect Terminal 3 to YB (+).
Connect Terminal 4 to YA (-).
(Fig. 4-1)
2
KT7
No.30
KT7
No.30
KT7
No.30
.
KT7